Amholloway13
04.06.2021 •
Mathematics
WILL GIVE BRAINLIEST! pls help
Directions: Write an equation for the following problems and solve.
1. The sum of a number and 2 is 6 less than twice that number.
2. A rectangular garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet.
3. Six times a number is less than 72. What numbers satisfy this condition?
4. A number increased by 10 is greater than 50. What numbers satisfy this condition?
5. A number decreased by 15 is less than 35. What numbers satisfy this condition?
6. Twice a number, increased by 6, is less than 48. What numbers satisfy this condition?
Solved
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Ответ:
There was 443 student tickets sold
Step-by-step explanation:
Step 1: Make a system of equation
4s + 6n = 4310
s + n = 866
Step 2: Solve for s to get n
s = 866 - n
4(866 - n) + 6n = 4310
3464 - 4n + 6n - 3464 = 4310 - 3464
2n / 2 = 846 / 2
n = 423
Step 3: 866 - 423 gives us the amount of tickets bought by students
s = 866 - 423
s = 443
There was 443 student tickets sold